Studies on die back of rose and diseases of some winter annuals.
Mandal, N.C.
Studies on die back of rose and diseases of some winter annuals. - 107p.+7 Bib+19 Tables+8 Fig
Seasons
Cold season
Plant pathology
Plant diseases
Flowers
Pollution
Forest decline
Studies on die back of rose and diseases of some winter annuals. - 107p.+7 Bib+19 Tables+8 Fig
Seasons
Cold season
Plant pathology
Plant diseases
Flowers
Pollution
Forest decline